#include <stdio.h>

int main() {
	char arr1[] = 'welcometobit!!!!!!';
	char arr2[] = '##################';
	int left = 0;
	iny right = strlen(arr1) - 1;

	while (left <= right) 
	{
		arr2[left]= arr1[left];
		arr2[right] = arr1[right];

		printf("%s\n", arr2);

		left++;
		right--;

	}

	return 0;
}